EA TFT020-23AI 18 Bit RGB, 8/16-bit parallel, SPI interface Dimension 52x36x2.2mm 65x43x4.2mm (incl. PCAP) FEATURES 2.0 TFT FULL COLOR AACS TECHNOLOGY WITH IPS FOR UNLIMITED VIEWING ANGLE 240x320x3 DOTS, CONTROLLER ST7789V 800 or 640cd/m WITHOUT/WITH TOUCHPANEL 18-BIT RGB INTERFACE 8/16-BIT PARALLEL INTERFACE SPI INTERFACE INTEGRATED CONTROLLER ST7789V SUPPLY VOLTAGE 3.3V WIDE TEMPERATURE RANGE (T -20C - +70C) OP OPTIONALLY WITH PCAP AND CONTROLLER GT911 ORDERING CODES 2.0 TFT, 240x320 IPS, 800cd/m EA TFT020-23AINN AS ABOVE BUT WITH OPTICALLY BONDED PCAP EA TFT020-23AITC ACCESSORY ZIF CONNECTOR 0.3mm, BOTTOM CONTACT EA WF030-39S DISPLAY VISIONS GmbH Fon: +49 (0)8105-7780 90 Issue 2.2022 Zeppelinstrae 19 Fax: +49 (0)8105-7780 99 D-82205 Gilching e-Mail: info lcd-module.de Germany Web: www.lcd-module.de EA TFT020-23AI CONTENT Revision History .............................................................................................................................................. 3 2.0 TFT display .............................................................................................................................................. 3 Accessory ....................................................................................................................................................... 3 Absolute Maximum Ratings ............................................................................................................................ 4 Electrical Specification .................................................................................................................................... 5 TFT Panel ................................................................................................................................................... 5 LED Backlight .............................................................................................................................................. 6 Application example for Driving the LED backlight ..................................................................................... 6 PCAP touchpanel ........................................................................................................................................... 7 Timing Specifications for CTP ..................................................................................................................... 7 IC Communication .................................................................................................................................. 7 Data Transmission ................................................................................................................................... 9 Write Data to module ............................................................................................................................... 9 Read Data from module .......................................................................................................................... 9 Register Information of module ................................................................................................................. 10 Function Mode .......................................................................................................................................... 18 aOptical Specifications .............................................................................................................................. 20 Measurement System ............................................................................................................................... 21 Block Diagram .............................................................................................................................................. 23 Pin Description .............................................................................................................................................. 23 Timing Characteristics (Details refer to ST7789V) ....................................................................................... 25 Z80/8080 Series Parallel interface characteristics: 16/8-bit bus ............................................................... 25 Serial interface characteristics (4-line serial) ............................................................................................ 26 RGB interface characteristics .................................................................................................................... 27 Reset Timing ............................................................................................................................................. 28 Reliability and Inspection Standard .............................................................................................................. 29 INITIALIZATION EXAMPLE ......................................................................................................................... 30 PRECAUTIONS FOR USING LCD MODULES ............................................................................................ 31 Handing Precautions ................................................................................................................................. 31 Storage Precautions .................................................................................................................................. 31 Others ....................................................................................................................................................... 32 Outline Dimension ........................................................................................................................................ 33 Printing and typographical errors reserved. Page 2 DISPLAY VISIONS reserves the right to change specification without prior note.